AN ENGLISH THEODOLITE
T Harris & Son., mid-19th century
the telescope with bubble level, supported on platform with vernier for arc 90-0-90° which is secured to the base with two screws, signed T HARRIS & Son. Opticians to his Majesty. London., the silvered 8-point compass rose with raised degree scale 0-90-0-90°, vernier to top of slanted plate with degree scale 0-360° beneath, in fitted wooden case.
11in. (28cm.) long in case
AN ENGLISH THEODOLITE
T Harris & Son., mid-19th century
the telescope with bubble level, supported on platform with vernier for arc 90-0-90° which is secured to the base with two screws, signed T HARRIS & Son. Opticians to his Majesty. London., the silvered 8-point compass rose with raised degree scale 0-90-0-90°, vernier to top of slanted plate with degree scale 0-360° beneath, in fitted wooden case.
11in. (28cm.) long in case
.jpg?maxwidth=3840)